322.v124df57ed808

👷 Changes for plugin developers

• Provide a default implementation of SSHUserPrivateKey#getPrivateKey (#197) @Vlatombe

👻 Maintenance

• Remove obsolete FindBugs configuration (#157) @basil
• Test on Java 21 (#179) @NotMyFault

✍ Other changes

• Add Plugin Development Team to CODEOWNERS (#183) @sghill-rewrite

📦 Dependency updates

• Bump org.jenkins-ci.plugins:plugin from 4.75 to 4.78 (#196) @dependabot
• Bump io.jenkins.tools.bom:bom-2.387.x from 2278.v47b_4508e256a to 2543.vfb_1a_5fb_9496d (#194) @dependabot
• Bump io.jenkins.tools.incrementals:git-changelist-maven-extension from 1.6 to 1.7 (#178) @dependabot
• Bump org.jenkins-ci.plugins:plugin from 4.71 to 4.75 (#195) @dependabot